21648774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13931}}^1$

素因数の和:13980

約数の個数: 32

約数和(自身を含む): 50823936

約数和(自身を除く): 29175162

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13931, 27862, 41793, 83586, 97517, 195034, 292551, 515447, 585102, 1030894, 1546341, 3092682, 3608129, 7216258, 10824387, 21648774]

約数ペア:

[(1, 21648774), (2, 10824387), (3, 7216258), (6, 3608129), (7, 3092682), (14, 1546341), (21, 1030894), (37, 585102), (42, 515447), (74, 292551), (111, 195034), (222, 97517), (259, 83586), (518, 41793), (777, 27862), (1554, 13931)]